import { JwkStore } from '../jwt/jwk-store';
import { JwtHandler } from '../jwt/jwt-handler';
import { JsonObject } from '../utils/json';
/**
 * Service class to react to changes in the config form on COYO side.
 */
export declare class ConfigAdapter {
    private readonly srcId;
    private static readonly REQ_SUBJECT;
    private static readonly RES_SUBJECT;
    protected listener: ((event: MessageEvent) => Promise<void>) | null;
    protected jwkStore: JwkStore;
    protected jwtHandler: JwtHandler;
    protected userId: string | null;
    /**
     * Creates a new instance of this class.
     *
     * @param srcId the plug-in source ID to use for requests
     * @returns the new instance
     */
    constructor(srcId: string);
    /**
     * Bind this instance to a specific user ID to only accept tokens that define
     * the same user ID via "ctx.userId".
     *
     * @param userId the user ID
     */
    bind(userId: string): void;
    /**
     * Connects the given callback listeners to config form events coming from COYO.
     *
     * @param cb a callback to be executed when the form should be saved
     * @param validate a flag indicating if the JWT response should be validated
     */
    connect(cb: (respond: (data: boolean | JsonObject) => void, token: string) => void, validate: boolean): void;
    /**
     * Disconnects all registered listeners.
     */
    disconnect(): void;
}